Rear bumper for automobile



FIG. 1 is a front elevational view of a rear bumper for an automobile in accordance with my new design;

FIG. 2 is a rear elevational view of the rear bumper for an automobile in accordance with my new design;

FIG. 3 is a top plan view of the rear bumper for an automobile in accordance with my new design;

FIG. 4 is a bottom plan view of the rear bumper for an automobile in accordance with my new design;

FIG. 5 is a left side elevational view of the rear bumper for an automobile in accordance with my new design;

FIG. 6 is a right side elevational view of the rear bumper for an automobile in accordance with my new design;

FIG. 7 is a perspective view of the rear bumper for an automobile when viewed from a right side in accordance with my new design; and,

FIG. 8 is a perspective view of the rear bumper for an automobile when viewed from a left-bottom side in accordance with my new design.

The broken line showing of the rear bumper for an automobile is for purpose of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a rear bumper for an automobile, as shown and described. 